#!/bin/bash

PKGNAME="${1%/}"
ORIGVER="${2}"
NEWVER="${3}"

if [[ $# -ne 3 ]]; then
	echo "Usage: ${0##*/} pkgname origver newver"
	echo "  Copies ebuild of orig version to new version and builds it"
	exit 1
fi

pushd ${1} &> /dev/null
cp ${PKGNAME}-${ORIGVER}.ebuild ${PKGNAME}-${NEWVER}.ebuild
GENTOO_MIRRORS="" ebuild ${PKGNAME}-${NEWVER}.ebuild manifest
sudo pmerge =${PKGNAME}-${NEWVER}
popd &> /dev/null